Shimano SM-RT56 6 Bolt Rotor - 160mm

The Shimano SM-RT56 is a reliable 6-bolt disc brake rotor designed for consistent stopping power. ...

Best current price£14.99from Merlin Cycles

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Merlin CyclesShimano Sm-Rt56 6 Bolt Rotor - 6 Bolt / 160Mm
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OnBuy.comShimano Disco 160Mm 6-Tornillos-Sm-Rt56
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Lepape EMEAShimano Argent Disque Frein 160Mm 6 Trous Sm-Rt56 Money
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eBayShimano 160mm Brake Disc SM-RT56-S 6-Loch with Screws for Bicycles
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Product Information

Full details

The Shimano SM-RT56 6-Bolt Disc Brake Rotor is designed for mountain bike riders and commuters who prioritize consistent, reliable stopping power during their daily rides or trail excursions. It offers a straightforward, high-quality solution for maintaining or upgrading braking systems, though users should ensure their hub supports a 6-bolt mounting interface before purchase.

All features

SeriesSM-RT56
Model Part NumberSMRT56S
BrandShimano

Extended Product Information

FAQs

Is this rotor compatible with Center Lock hubs?

No, the SM-RT56 is a 6-bolt rotor and is not natively compatible with Center Lock hubs unless a 6-bolt to Center Lock adapter is used.

What size is this rotor?

This specific model is a 160mm diameter rotor.

Can I use this rotor with metallic brake pads?

Shimano SM-RT56 rotors are designed specifically for use with resin brake pads.

Does the rotor come with mounting bolts?

Yes, standard 6-bolt rotors typically include the necessary bolts for installation.

How do I know if my bike is 6-bolt?

You can verify by looking at your current rotor; a 6-bolt rotor is held in place by six small T25 Torx bolts around the hub flange, rather than a single large lockring.

How often should I replace my brake rotor?

Replace the rotor when it reaches the minimum thickness indicated on the disc or if it shows signs of excessive scoring, warping, or deep gouges.

Troubleshooting

Brakes are squealing during operation

Clean the rotor surface with isopropyl alcohol to remove potential contaminants or glaze.

Rotor feels loose or creates a clicking sound

Check the 6-bolt torque settings; use a torque wrench to ensure all bolts are tightened to manufacturer specifications.

Brake pads are wearing unevenly

Inspect the rotor for signs of warping and ensure the brake caliper is properly centered over the disc.

Pros and Cons

Pros

  • Reliable and consistent braking performance
  • Easy to install on standard 6-bolt hubs
  • Compatible with a wide range of Shimano brake series
  • Durable construction for long-term use

Cons

  • Not compatible with Center Lock hubs without an adapter
  • Only available in 6-bolt configuration
  • Requires proper torque tools for safe installation

Setup, Compatibility & Care

To install your SM-RT56 rotor, ensure your wheel hub has the 6-bolt hole pattern. Use a T25 Torx wrench to tighten the bolts in a star pattern to ensure even pressure distribution. It is critical to use a torque wrench to meet the manufacturer's specified torque settings. Regarding care, keep the rotor surface free of oil, grease, and cleaning agents that can contaminate brake pads. If the rotor becomes dirty, clean it with isopropyl alcohol and a clean lint-free cloth. Always check for wear or deep grooves after heavy usage periods.

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